Abstract: An induction component contains, in a housing, a coil, which has a coil core with two end surfaces and a coil winding. The housing consists of a housing base, in turn consisting of plastic, and a hood-like upper part connected thereto. A holder, in which the coil is held non-displaceably in the direction of its longitudinal axis, is arranged on the housing base. It is thus ensured that the air gaps to the right and left between the end surfaces of the coil core and the inner face of the housing upper part are constant.

Abstract: Methods and apparatuses, wherein the method forms a first plurality of vias in a substrate, further comprising forming the first plurality of vias to be substantially the same height. The method forms a plurality of conductive traces external to the substrate and couples the plurality of conductive traces to the first plurality of vias: wherein the plurality of conductive traces and the first plurality of vias comprise a plurality of conductive turns and wherein the plurality of conductive turns are in a spiral configuration substantially within a first plane.

Abstract: An isolated DC-to-DC switching power supply includes an isolation transformer having a magnetic core, a first winding around the magnetic core, a first winding-shield around the magnetic core, a second winding-shield within the first winding-shield, and a second winding within the second winding-shield. There is no direct coupling between the first winding and the second winding since the second winding is enclosed within the second winding-shield and the second winding-shield is enclosed within the first winding-shield.

Abstract: A transformer comprises first winding portions (101, 102) constituting a first foil winding and second winding portions (103, 104) constituting a second foil winding having a substantially same magnetic axis as the first foil winding. The first and second winding portions are interleaved in directions substantially perpendicular to the magnetic axis so as to reduce the leakage inductances of the first and second foil windings. The first winding portions are electrically interconnected so that at least one end-portion of each first winding portion is split to constitute two strips (105a, 105b) folded to mutually opposite directions substantially parallel with the magnetic axis, and ends of the strips of different first winding portions are interconnected to constitute connection bridges over a particular one of the second winding portions located between these first winding portions. The second winding portions are electrically interconnected in the corresponding way to constitute the second foil winding.

Abstract: A high leakage inductance transformer core device, and method of forming same, that has a core made of tape wound material, at least one set of concentric primary and secondary windings, and at least one flux shunt between the primary and secondary windings which is also made of tape wound material. The transformer core and flux shunts are arranged so that the transformer has a low external magnetic field, and substantially no excess core losses due to principal core flux flowing from one part of the core structure to another through the broad surface of the core tape.

Abstract: An enclosure for an electrical apparatus includes a tank having a bank of corrugate affixed to one or more walls thereof, with the bank of corrugate including a plurality of cooling fins in fluid communication with a volume of the tank via a plurality of openings formed in the walls, such that cooling fluid can flow into the cooling fins. A cross member is affixed to the bank of corrugate along each of a top surface and a bottom surface thereof and extends along a length of the corrugate at a distal end of the cooling fins. Vibration stabilizers are provided to control vibrations in the corrugate bank, with the vibration stabilizer having a gusset plate joined to the cross member and extending between a pair of adjacent cooling fins and stabilizer with a first end attached to the tank and a second end attached to the gusset plate.

Abstract: Provided is an electronic component having a core that can achieve size reduction and frequency increase by improving the magnetic permeability further while also improving the plating property for the terminal electrode. An electronic component has a shaft, a flange formed at an end of the shaft and constituting a core together with the shaft, a coiled conductor wound around the shaft, and an electrode terminal formed on the flange and connected electrically to an end of the conductor; wherein the shaft and flange are made of a metal magnetic material, and the shaft is more densely filled with the metal magnetic material than is the flange.

Abstract: A particular device includes a substrate and a spiral inductor coupled to the substrate. The spiral inductor includes a first conductive spiral and a second conductive spiral overlaying the first conductive spiral. A first portion of an innermost turn of the spiral inductor has a first thickness in a direction perpendicular to the substrate. The first portion of the innermost turn includes a first portion of the first conductive spiral and does not include the second conductive spiral. A second portion of the innermost turn includes a first portion of the second conductive spiral. A portion of an outermost turn of the spiral inductor has a second thickness in the direction perpendicular to the substrate that is greater than the first thickness. A portion of the outermost turn includes a second portion of the first conductive spiral and a second portion of the second conductive spiral.

Abstract: An inductor coil for an inductive energy transfer system includes multiple layers of a single wire having windings that are interlaced within at least two of the multiple layers such that both an input end and an output end of the wire enter and exit the coil on a same side of the coil. The input end and the output end of the wire may abut one another at the location where the input and output wires enter and exit the inductor coil. The wire can include one or more bundles of strands and the strands in each bundle are twisted around an axis extending along a length of the wire, and when there are at least two bundles, the bundles may be twisted around the axis. At least one edge of the inductor coil can be formed into a variety of shapes, such as in a curved shape.

Abstract: An inductor may include: a body, and a first and a second external electrode formed on end surfaces of the body. The body may include a coil support layer, a conductive coil formed on at least one surface of the coil support layer, a lamination part formed in a gap of the conductive coil and on an upper surface thereof, an insulating coating part formed to enclose an overall surface of the conductive coil on which the lamination part is formed, and upper and lower cover layers covering the overall surface of the conductive coil on which the insulating coating part is formed.

Abstract: A reinforcement-free tank for an electromagnetic apparatus, as may be immersed in a fluid is provided. The tank may include a pair of mutually-opposite side walls. Each side wall may have at least one curved segment defining a vertically-curving profile between a top edge and a bottom edge of a side wall. A pair of mutually-opposite end walls. Each end wall may have a substantially vertically-extending semi-cylindrical shape defining a vertically-straight profile between a top edge and a bottom edge of an end wall. A plurality of vertically-extending joining members. Each joining member may be configured to provide a transition between the vertically-curving profile of a side wall and the vertically-straight profile of a corresponding end wall. The walls can withstand vacuum and overpressure conditions which can develop in the tank, without a reinforcing member connected to the walls.

Abstract: A carrier board structure includes at least one upper magnetic coil, at least one lower magnetic coil, a flexible board, a dielectric layer, at least one connection pad and at least one gold finger. The flexible board has a middle region having a middle hole, and two side regions thinner than the middle region. A groove used as a fold line is provided on the lower surface of each side region bordering on the middle region. The upper and lower magnetic coils are configured in the flexible board and separated by the dielectric layer. The gold fingers are provided on the two side regions and connected to the upper magnetic coils. The upper and lower magnetic coils are around the middle hole and connected by the connection pads. The fold lines help the two side regions to fold without damage to the upper and lower magnetic coils.

Abstract: According to an embodiment, there is an inductor, including: a magnetic core; a winding formed around the magnetic core; a first resin provided between turns of the winding; and a second resin covering the winding and the first resin, wherein the second resin has higher filler content than the first resin.

Abstract: A single-phase electric furnace transformer is provided according to the basic principle of the invention, comprising: a single magnetic core, said magnetic core comprising two side columns and at least one main column; a main transformer, comprising a first primary side winding and a first secondary side winding which are disposed on said at least one main column, wherein said first primary side winding consists of a first winding and a second winding which are connected in series with each other; and a voltage regulating autotransformer, which is disposed on one of two side columns of said magnetic core, and which comprises a second primary side winding and a second secondary side winding, wherein said second secondary side winding is an adjustable winding having on-load tap switch, and said adjustable winding is connected in series between the first winding and the second winding of said main transformer.

Abstract: A transformer 10 comprises a bobbin 20. A cylinder portion 28 of the bobbin 20 is provided with a first winding part 35 where a first wire 37 is wound and a second winding part 36 where a second wire 38 is wound at a position different from the first winding part 35 in an axial direction. At an outer circumference of the cylinder portion 28 located between the first winding part 35 and the second winding part 36, an insulating partition collar 30 is formed. On the first winding part 35, a winding partition collar 33, separating in respective sections S1, S2, is formed. On the winding partition collar 33, at least one communication groove 33a, communicating the sections S1, S2 adjacent to each other is formed. The first wire 37 is ?-wound around the first winding part 35.

Abstract: A three-phase transformer including a primary portion and a secondary portion, the primary portion including a first body made of ferromagnetic material and primary coils, the secondary portion including a second body made of ferromagnetic material and secondary coils, the first body defining a first annular slot of axis A and a second annular slot of axis A, the primary coils including a first toroidal coil of axis A in the first slot, a second toroidal coil of axis A in the second slot, and one or more third toroidal coils connected in series, the third coils being wound around one of the legs, and passing via slots in the leg.

Abstract: A device includes a first plurality of dielectric layers over a substrate and a second plurality of dielectric layers over the first plurality of dielectric layers. A metal inductor includes a first metal portion, a second metal portion, a third metal portion, and a fourth metal portion, wherein each of the first, the second, the third, and the fourth metal portions extends into the first and the second plurality of dielectric layers. A first metal bridge connects the first metal portion to the second metal portion, wherein the first metal bridge extends into the first plurality of dielectric layers and not into the second plurality of dielectric layers. A second metal bridge connects the third metal portion to the fourth metal portion, wherein the second metal bridge extends into the second plurality of dielectric layers and not into the first plurality of dielectric layers.

Abstract: A laminate in which plural insulator layers are stacked includes an external electrode that is exposed to the exterior of the laminate and includes a plurality of conductive layers stacked in a staking direction and passing through some of the plural insulator layers in the stacking direction. At least one side of the external electrode facing in the stacking direction is overlaid with rest of the plural insulator layers. At least one side surface of the external electrode facing in the stacking direction is uneven with another portion of the side surface.

Abstract: A multilayer body 12 includes nonmagnetic sheets SH1a and SH1b each having an upper surface provided with a plurality of linear conductors 16, a magnetic sheet SH3 having an upper surface provided with a plurality of linear conductors 18a, and a nonmagnetic sheet SH4 having an upper surface provided with a plurality of linear conductors 18b, which are stacked one on top of another. Via-hole conductors or side-surface conductors are disposed with the multilayer body 12 so as to connect these linear conductors to one another and form an inductor. The plurality of linear conductors have a pattern that is common among at least two sheets adjacent to each other in a stacking direction.

Abstract: A coil is specified which has at least four electrical conductors, wherein the electrical conductors are wound around a common winding center. Each of the at least four electrical conductors is at a constant distance from the winding center of the coil over the entire length of the coil.